1; RUN: llc -o - %s -verify-machineinstrs -mtriple=aarch64-windows | FileCheck %s
2
3; Windows runtime passes the establisher frame as the second argument to the
4; termination handler.  Check that we copy it into fp.
5
6; CHECK:      ?dtor$3@?0?main@4HA":
7; CHECK:      .seh_proc "?dtor$3@?0?main@4HA"
8; CHECK:      stp     x29, x30, [sp, #-16]!   ; 16-byte Folded Spill
9; CHECK-NEXT: mov     x29, x1
10
11target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
12target triple = "aarch64-unknown-windows-msvc19.15.26732"
13
14; Function Attrs: noinline nounwind optnone uwtable
15define dso_local i32 @main() #0 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
16entry:
17  %retval = alloca i32, align 4
18  %Counter = alloca i32, align 4
19  %__exception_code = alloca i32, align 4
20  call void (...) @llvm.localescape(i32* %Counter)
21  store i32 0, i32* %retval, align 4
22  store i32 0, i32* %Counter, align 4
23  %call = invoke i32 bitcast (i32 (...)* @RaiseStatus to i32 (i32)*)(i32 -1073741675) #3
24          to label %invoke.cont unwind label %ehcleanup
25
26invoke.cont:                                      ; preds = %entry
27  %0 = call i8* @llvm.localaddress()
28  invoke void @"?fin$0@0@main@@"(i8 0, i8* %0) #3
29          to label %invoke.cont1 unwind label %catch.dispatch
30
31invoke.cont1:                                     ; preds = %invoke.cont
32  br label %__try.cont
33
34ehcleanup:                                        ; preds = %entry
35  %1 = cleanuppad within none []
36  %2 = call i8* @llvm.localaddress()
37  invoke void @"?fin$0@0@main@@"(i8 1, i8* %2) #3 [ "funclet"(token %1) ]
38          to label %invoke.cont2 unwind label %catch.dispatch
39
40invoke.cont2:                                     ; preds = %ehcleanup
41  cleanupret from %1 unwind label %catch.dispatch
42
43catch.dispatch:                                   ; preds = %invoke.cont2, %ehcleanup, %invoke.cont
44  %3 = catchswitch within none [label %__except] unwind to caller
45
46__except:                                         ; preds = %catch.dispatch
47  %4 = catchpad within %3 [i8* null]
48  catchret from %4 to label %__except3
49
50__except3:                                        ; preds = %__except
51  %5 = call i32 @llvm.eh.exceptioncode(token %4)
52  store i32 %5, i32* %__exception_code, align 4
53  %6 = load i32, i32* %Counter, align 4
54  %add = add nsw i32 %6, 5
55  store i32 %add, i32* %Counter, align 4
56  br label %__try.cont
57
58__try.cont:                                       ; preds = %__except3, %invoke.cont1
59  %7 = load i32, i32* %retval, align 4
60  ret i32 %7
61}
62
63define internal void @"?fin$0@0@main@@"(i8 %abnormal_termination, i8* %frame_pointer) {
64entry:
65  %frame_pointer.addr = alloca i8*, align 8
66  %abnormal_termination.addr = alloca i8, align 1
67  %0 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %frame_pointer, i32 0)
68  %Counter = bitcast i8* %0 to i32*
69  store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
70  store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
71  store i32 3, i32* %Counter, align 4
72  call void @"?fin$1@0@main@@"(i8 0, i8* %frame_pointer)
73  %1 = load i32, i32* %Counter, align 4
74  %add = add nsw i32 %1, 2
75  store i32 %add, i32* %Counter, align 4
76  %call = call i32 bitcast (i32 (...)* @RaiseStatus to i32 (i32)*)(i32 -1073741675)
77  ret void
78}
79
80; Function Attrs: nounwind readnone
81declare i8* @llvm.localrecover(i8*, i8*, i32) #1
82
83define internal void @"?fin$1@0@main@@"(i8 %abnormal_termination, i8* %frame_pointer) {
84entry:
85  %frame_pointer.addr = alloca i8*, align 8
86  %abnormal_termination.addr = alloca i8, align 1
87  %0 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %frame_pointer, i32 0)
88  %Counter = bitcast i8* %0 to i32*
89  store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
90  store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
91  %1 = load i32, i32* %Counter, align 4
92  %cmp = icmp eq i32 %1, 3
93  br i1 %cmp, label %if.then, label %if.end
94
95if.then:                                          ; preds = %entry
96  %2 = load i32, i32* %Counter, align 4
97  %add = add nsw i32 %2, 1
98  store i32 %add, i32* %Counter, align 4
99  br label %if.end
100
101if.end:                                           ; preds = %if.then, %entry
102  ret void
103}
104
105declare dso_local i32 @RaiseStatus(...)
106
107declare dso_local i32 @__C_specific_handler(...)
108
109; Function Attrs: nounwind readnone
110declare i8* @llvm.localaddress() #1
111
112; Function Attrs: nounwind readnone
113declare i32 @llvm.eh.exceptioncode(token) #1
114
115; Function Attrs: nounwind
116declare void @llvm.localescape(...) #2
117
118attributes #0 = { noinline nounwind optnone uwtable }
119attributes #1 = { nounwind readnone }
120attributes #2 = { nounwind }
121attributes #3 = { noinline }
122